Underfolio

Every trading day › 2020

The stock market on October 9, 2020

October 9, 2020, a Friday. The S&P 500 rose 0.88% to close at 3477.13. Of 3,764 US stocks that traded, 1,990 rose and 1,652 fell.

The S&P 500+0.88%closed at 3477.13
How big a move#7,142of 24,799 trading days since 1928
$100 in the index since$222price only, to September 24, 2026
Stocks that rose1,990of 3,764; 1,652 fell
Biggest companyAppleby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Xilinx (XLNX)+14.1%
Fastly, Inc. (FSLY)+9.4%
Datadog, Inc. (DDOG)+8.9%

Biggest falls among the 500 largest companies

Deac Merger Corp (DKNG)-4.5%
Caesars Entertainment Corporation (CZR)-4.4%
Advanced Micro Devices (AMD)-3.9%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ October 8, 2020 · Every October 9 · October 12, 2020 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.